Refactor previewctl

Author: aledbf

.werft/jobs/build/prepare.ts

@@ -61,7 +61,7 @@ function configureDocker() {
 }
 
 function configureGlobalKubernetesContext() {
-    const rc = exec(`previewctl get-credentials --gcp-service-account=${GCLOUD_SERVICE_ACCOUNT_PATH} --kube-save-path=${GLOBAL_KUBECONFIG_PATH}`, { slice: prepareSlices.CONFIGURE_K8S }).code;
+    const rc = exec(`KUBECONFIG=${GLOBAL_KUBECONFIG_PATH} previewctl get-credentials --gcp-service-account=${GCLOUD_SERVICE_ACCOUNT_PATH}`, { slice: prepareSlices.CONFIGURE_K8S }).code;
 
     if (rc != 0) {
         throw new Error("Failed to configure global kubernetes context.");

.werft/platform-delete-preview-environment.ts

@@ -94,7 +94,7 @@ async function deletePreviewEnvironment() {
 }
 
 function configureGlobalKubernetesContext() {
-    const rc = exec(`previewctl get-credentials --gcp-service-account=${GCLOUD_SERVICE_ACCOUNT_PATH} --kube-save-path=${GLOBAL_KUBECONFIG_PATH}`, { slice: SLICES.CONFIGURE_K8S }).code;
+    const rc = exec(`KUBECONFIG=${GLOBAL_KUBECONFIG_PATH} previewctl get-credentials --gcp-service-account=${GCLOUD_SERVICE_ACCOUNT_PATH}`, { slice: SLICES.CONFIGURE_K8S }).code;
 
     if (rc != 0) {
         throw new Error("Failed to configure global kubernetes context.");

dev/preview/BUILD.yaml

@@ -15,7 +15,7 @@ scripts:
   - name: get-credentials
     description: Provisions a new preview environment
     script: |
-      previewctl get-credentials --kube-save-path $HOME/.kube/config
+      KUBECONFIG=$HOME/.kube/config previewctl get-credentials
 
   - name: create-preview
     description: Provisions a new preview environment